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flightgear/src/Navaids/procedure.hxx
Thomas Geymayer 4b573ebd13 Start porting NasalPositioned to cppbind.
For now it is available in the positioned Nasal
module. FGAirport is fully ported, but especially
procedures/navaids and free functions are still
missing.
2013-03-04 19:24:47 +01:00

283 lines
6.8 KiB
C++

/// procedure.hxx - define route storing an approach, arrival or departure procedure
// Written by James Turner, started 2009.
//
// Copyright (C) 2009 Curtis L. Olson
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 2 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#ifndef FG_NAVAID_PROCEDURE_HXX
#define FG_NAVAID_PROCEDURE_HXX
#include <set>
#include <simgear/math/sg_types.hxx> // for string_list
#include <Airports/airports_fwd.hxx>
#include <Navaids/route.hxx>
namespace flightgear {
// forward decls
class NavdataVisitor;
typedef std::vector<FGRunwayRef> RunwayVec;
typedef enum {
PROCEDURE_INVALID,
PROCEDURE_APPROACH_ILS,
PROCEDURE_APPROACH_VOR,
PROCEDURE_APPROACH_NDB,
PROCEDURE_APPROACH_RNAV,
PROCEDURE_SID,
PROCEDURE_STAR,
PROCEDURE_TRANSITION,
PROCEDURE_RUNWAY_TRANSITION
} ProcedureType;
class Procedure : public RouteBase
{
public:
virtual ProcedureType type() const = 0;
virtual std::string ident() const
{ return _ident; }
virtual FGAirport* airport() const = 0;
virtual RunwayVec runways() const
{ return RunwayVec(); }
protected:
Procedure(const std::string& aIdent);
std::string _ident;
};
/**
* Encapsulate a transition segment
*/
class Transition : public Procedure
{
public:
virtual ~Transition() { ; }
bool route(WayptVec& aPath);
Procedure* parent() const
{ return _parent; }
virtual FGAirport* airport() const;
/**
* Return the enroute end of the transition
*/
WayptRef enroute() const;
/**
* Return the procedure end of the transition
*/
WayptRef procedureEnd() const;
virtual ProcedureType type() const
{ return _type; }
void mark(WayptFlag f);
private:
friend class NavdataVisitor;
Transition(const std::string& aIdent, ProcedureType ty, Procedure* aPr);
void setPrimary(const WayptVec& aWps);
ProcedureType _type;
Procedure* _parent;
WayptVec _primary;
};
typedef SGSharedPtr<Transition> TransitionRef;
/**
* Describe an approach procedure, including the missed approach
* segment
*/
class Approach : public Procedure
{
public:
virtual ~Approach() { ; }
FGRunwayRef runway()
{ return _runway; }
static bool isApproach(ProcedureType ty);
virtual FGAirport* airport() const;
virtual RunwayVec runways() const;
/**
* Build a route from a valid IAF to the runway, including the missed
* segment. Return false if no valid transition from the specified IAF
* could be found
*/
bool route(WayptRef aIAF, WayptVec& aWps);
/**
* Build route as above, but ignore transitions, and assume radar
* vectoring to the start of main approach
*/
bool routeFromVectors(WayptVec& aWps);
const WayptVec& primary() const
{ return _primary; }
const WayptVec& missed() const
{ return _missed; }
virtual ProcedureType type() const
{ return _type; }
static Approach* createTempApproach(const std::string& aIdent, FGRunway* aRunway, const WayptVec& aPath);
private:
friend class NavdataVisitor;
Approach(const std::string& aIdent, ProcedureType ty);
void setRunway(FGRunwayRef aRwy);
void setPrimaryAndMissed(const WayptVec& aPrimary, const WayptVec& aMissed);
void addTransition(Transition* aTrans);
FGRunwayRef _runway;
ProcedureType _type;
typedef std::map<WayptRef, TransitionRef> WptTransitionMap;
WptTransitionMap _transitions;
WayptVec _primary; // unify these?
WayptVec _missed;
};
class ArrivalDeparture : public Procedure
{
public:
virtual FGAirport* airport() const
{ return _airport; }
/**
* Predicate, test if this procedure applies to the requested runway
*/
virtual bool isForRunway(const FGRunway* aWay) const;
virtual RunwayVec runways() const;
/**
* Find a path between the runway and enroute structure. Waypoints
* corresponding to the appropriate transitions and segments will be created.
*/
virtual bool route(FGRunwayRef aWay, Transition* trans, WayptVec& aPath) = 0;
const WayptVec& common() const
{ return _common; }
string_list transitionIdents() const;
/**
* Given an enroute location, find the best enroute transition point for
* this arrival/departure. Best is currently determined as 'closest to the
* enroute location'.
*/
WayptRef findBestTransition(const SGGeod& aPos) const;
/**
* Find an enroute transition waypoint by identifier. This is necessary
* for the route-manager and similar code that that needs to talk about
* transitions in a human-meaningful way (including persistence).
*/
Transition* findTransitionByName(const std::string& aIdent) const;
Transition* findTransitionByEnroute(Waypt* aEnroute) const;
protected:
bool commonRoute(Transition* t, WayptVec& aPath, FGRunwayRef aRwy);
ArrivalDeparture(const std::string& aIdent, FGAirport* apt);
void addRunway(FGRunwayRef aRwy);
typedef std::map<FGRunwayRef, TransitionRef> RunwayTransitionMap;
RunwayTransitionMap _runways;
virtual WayptFlag flagType() const = 0;
void setCommon(const WayptVec& aWps);
private:
friend class NavdataVisitor;
void addTransition(Transition* aTrans);
void addRunwayTransition(FGRunwayRef aRwy, Transition* aTrans);
FGAirport* _airport;
WayptVec _common;
typedef std::map<WayptRef, TransitionRef> WptTransitionMap;
WptTransitionMap _enrouteTransitions;
};
class SID : public ArrivalDeparture
{
public:
virtual ~SID() { ; }
virtual bool route(FGRunwayRef aWay, Transition* aTrans, WayptVec& aPath);
virtual ProcedureType type() const
{ return PROCEDURE_SID; }
static SID* createTempSID(const std::string& aIdent, FGRunway* aRunway, const WayptVec& aPath);
protected:
virtual WayptFlag flagType() const
{ return WPT_DEPARTURE; }
private:
friend class NavdataVisitor;
SID(const std::string& aIdent, FGAirport* apt);
};
class STAR : public ArrivalDeparture
{
public:
virtual ~STAR() { ; }
virtual bool route(FGRunwayRef aWay, Transition* aTrans, WayptVec& aPath);
virtual ProcedureType type() const
{ return PROCEDURE_STAR; }
protected:
virtual WayptFlag flagType() const
{ return WPT_ARRIVAL; }
private:
friend class NavdataVisitor;
STAR(const std::string& aIdent, FGAirport* apt);
};
} // of namespace
#endif